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Did you know?
Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.
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Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.
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On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
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The average adult has about 21 square feet of skin.